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 18  

EB 2172 EN

Technical data

9  Technical data

Table 6: 

Technical data · All pressures in bar (gauge)

Temperature regulators

Type 43-6

43-5

43-7

Valve

2436 K

2435 K

2437 K

Thread size

G ½ to 1

G ½ to 1

Nominal size

DN 32 to 50

DN 15 to 50

Flanged body (special version)

DN 15 to 50

DN 15 to 50

Nominal pressure

PN 25

Max. permissible differential pressure ∆p

With corrosion-resistant operating bellows: 16 bar

 2)

Perm. permissible temperature range of 

valve

0 to 150 °C

 1)

0 to 200 °C

Type 2430 K Control Thermostat

Set point range

 3)

Continuously adjustable: 0 to 35 °C, 25 to 70 °C, 40 to 100 °C, 50 to 

120 °C or 70 to 150 °C

Capillary tube

2 m (5 m as special version)

Max. permissible temperature at sensor

50 K above the adjusted set point

Permissible ambient temperature range

–20 to 80 °C

Permissible pressure at sensor/

thermowell

PN 25/PN 40

1) 

With intermediate insulating piece –15 to 150 °C

2) 

Types 43-6, 43-7: max. 8 bar

3) 

Further set point ranges on request

Table 7: 

K

VS

 coefficients

K

VS

 coefficients for ...

Thread size

G ½

G ¾

G 1

Valve size

DN 15

 1) 2)

DN 20

 1

)

DN 25

 1) 2)

DN 32

 1)

DN 40

 1)

DN 50

 1

)

K

VS 

coefficient

3.2

4.0

5.0

12.5

16

20

Special version

0.4 · 1.0 · 2.5

 3)

1) 

Flanged body of spheroidal graphite iron, Type 43-6/43-7 (special version)

2) 

Flanged body of stainless steel, Type 43-6 (special version)

3) 

On request

Summary of Contents for series 43

Page 1: ...perating Instructions EB 2172 EN Edition January 2015 Type 43 5 Type 43 7 with flanged valve body DN 32 to 50 Type 43 6 Type 43 7 with welding ends Series 43 Temperature Regulators Type 43 5 and Type...

Page 2: ...h if not avoided will result in death or seri ous injury WARNING Hazardous situations which if not avoided could result in death or seri ous injury NOTICE Property damage message or mal function Note...

Page 3: ...thermostat 6 3 2 Version with double adapter 6 4 Installation 8 4 1 Temperature sensor 8 4 1 1 Capillary tube 9 4 2 Strainer filter 9 4 3 Additional components 10 5 Operation 10 5 1 Start up 10 5 2 Ad...

Page 4: ...e European Pressure Equip ment Directive 2014 68 EU Devices with a CE marking have a declaration of conformity which includes information about the applied conformity as sessment procedure This declar...

Page 5: ...nts from 0 to 150 C Valves G to 1 and DN 15 to 150 PN 25 Max 200 C Liquids and steam up to 200 C and non flammable gases up to 80 C For plants to be heated or cooled 2 1 Transportation and storage The...

Page 6: ...lement 13 and converted into a positioning force This force causes the pin of the operating element 12 to move the plug stem 4 with the valve plug By turning the set point adjuster 8 the point of resp...

Page 7: ...onnection nut with seal and welding end 1 2 Stopper 1 3 Insulating pipe 2 Seat 3 Plug 3 1 Balancing bellows 4 Plug stem 4 1 Pin 5 Valve spring 6 Guide nipple 7 Set point spring 8 Set point adjuster 9...

Page 8: ...ge due to ad verse effects of weather conditions temperature humidity Do not install the temperature regula tor outdoors or in rooms prone to frost If such a location cannot be avoided protect the reg...

Page 9: ...perature fluctua tions along the entire length of the tube Note Do not damage or shorten the capil lary tube Roll up any capillary tube that is not used The smallest permis sible bending radius is 50...

Page 10: ...of the valve Check the adjusted temperature set point at the thermometer installed near the temperature sensor 5 2 Adjusting the set point To adjust the set point turn the black plastic adjuster whil...

Page 11: ...0 80 60 40 20 0 70 150 50 120 40 100 25 70 0 35 70 150 50 120 40 100 25 70 0 35 C 150 140 120 100 80 60 40 20 0 70 150 50 120 40 100 25 70 0 35 Scale marking Scale marking Type 43 5 43 7 Type 43 6 Set...

Page 12: ...possibly under pressure Depressurize the relevant section of the pipeline and if necessary drain it as well When used at high tem peratures allow the plant section to cool down to ambient temperature...

Page 13: ...ert a new seal for the plug sec tion into the body Screw in the plug section tightening torque approx 80 Nm Connect the thermostat and valve using the coupling nut 15 Tightening torque approx 20 Nm 7...

Page 14: ...o small for the control task Recalculate KVS and select a larger valve Insufficient heating energy available Draw up an energy balance Strainer blocked Drain and clean filter of the strainer The valve...

Page 15: ...and plug Renew plug if necessary If this is not possible return regulator to SAMSON for re pair Valve too large for control task Recalculate KVS and select a smaller valve A safety device e g STL STM...

Page 16: ...16 SW 3 4 190 46 L d R L1 L 30 55 260 310 12 19 9 5 16 185 220 185 220 G G 3 4 Type 43 5 G to G 1 Type 43 6 DN 32 to 50 Version with welding ends Type 43 5 Type 43 7 Version with welding ends Type 43...

Page 17: ...3 2 8 4 7 5 1 7 5 With flanges 2 PN 16 25 Length L3 130 150 160 180 200 230 Weight 1 in kg approx 3 1 3 9 4 6 7 6 8 4 9 8 3 11 4 14 1 3 1 Version without thermowell minus 0 2 kg 2 Valve also with fla...

Page 18: ...0 to 35 C 25 to 70 C 40 to 100 C 50 to 120 C or 70 to 150 C Capillary tube 2 m 5 m as special version Max permissible temperature at sensor 50 K above the adjusted set point Permissible ambient tempe...

Page 19: ......

Page 20: ...SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de EB 2172 EN 2015 08 20 English...

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